65834438 has 32 divisors (see below), whose sum is σ = 108591840. Its totient is φ = 29808640.

The previous prime is 65834429. The next prime is 65834467. The reversal of 65834438 is 83443856.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a junction number, because it is equal to n+sod(n) for n = 65834395 and 65834404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 115418 + ... + 115986.

It is an arithmetic number, because the mean of its divisors is an integer number (3393495).

Almost surely, 2^65834438 is an apocalyptic number.

65834438 is a deficient number, since it is larger than the sum of its proper divisors (42757402).

65834438 is a wasteful number, since it uses less digits than its factorization.

65834438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 712.

The product of its digits is 276480, while the sum is 41.

The square root of 65834438 is about 8113.8423696791. The cubic root of 65834438 is about 403.7858020503.

The spelling of 65834438 in words is "sixty-five million, eight hundred thirty-four thousand, four hundred thirty-eight".